90193215

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{431}}^1\times {\mathrm{1993}}^1$

素因数の和:2439

約数の個数: 32

約数和(自身を含む): 165390336

約数和(自身を除く): 75197121

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 431, 1293, 1993, 2155, 3017, 5979, 6465, 9051, 9965, 13951, 15085, 29895, 41853, 45255, 69755, 209265, 858983, 2576949, 4294915, 6012881, 12884745, 18038643, 30064405, 90193215]

約数ペア:

[(1, 90193215), (3, 30064405), (5, 18038643), (7, 12884745), (15, 6012881), (21, 4294915), (35, 2576949), (105, 858983), (431, 209265), (1293, 69755), (1993, 45255), (2155, 41853), (3017, 29895), (5979, 15085), (6465, 13951), (9051, 9965)]